St. Petersburg is 16% more expensive than North Charleston.
When comparing St. Petersburg, FL and North Charleston, SC, the overall cost of living indices are 106 and 91 respectively (national median = 100). Rent is $178/month cheaper in North Charleston, saving renters about $2,136/year.
Median household income is $10,329/year higher in St. Petersburg. Home values also differ significantly — the median in St. Petersburg is $331,500 compared to $267,700 in North Charleston.
Florida has no state income tax, giving St. Petersburg residents a significant tax advantage over South Carolina's 6.4% rate.
St. Petersburg vs North Charleston — common questions
Other cost of living comparisons for St. Petersburg and North Charleston